• Thumbnail for Earth's inner core
    Earth's inner core is the innermost geologic layer of the planet Earth. It is primarily a solid ball with a radius of about 1,230 km (760 mi), which is...
    61 KB (7,216 words) - 03:45, 5 June 2025
  • Thumbnail for Internal structure of Earth
    outer core whose flow generates the Earth's magnetic field, and a solid inner core. Scientific understanding of the internal structure of Earth is based...
    33 KB (3,149 words) - 01:50, 24 May 2025
  • Thumbnail for Earth's outer core
    Earth's outer core is a fluid layer about 2,260 km (1,400 mi) thick, composed of mostly iron and nickel that lies above Earth's solid inner core and below...
    24 KB (2,405 words) - 20:51, 9 June 2025
  • Thumbnail for Inner core super-rotation
    Inner core super-rotation is a hypothesized eastward rotation of the inner core of Earth relative to its mantle, for a net rotation rate that is usually[clarification...
    24 KB (2,877 words) - 17:01, 27 May 2025
  • Thumbnail for Inge Lehmann
    known for her discovery in 1936 of the solid inner core that exists within the molten outer core of the Earth. The seismic discontinuity in the speed of...
    28 KB (2,759 words) - 10:49, 22 May 2025
  • Thumbnail for Hollow Earth
    Raymond W. Bernard's 1969 book The Hollow Earth. Dyson sphere Earth's inner core Expanding Earth Flat Earth Hades Hollow Moon List of topics characterized...
    40 KB (5,098 words) - 21:16, 29 May 2025
  • Thumbnail for Earth
    water. Almost all of Earth's water is contained in its global ocean, covering 70.8% of Earth's crust. The remaining 29.2% of Earth's crust is land, most...
    219 KB (19,425 words) - 10:00, 14 June 2025
  • Thumbnail for Future of Earth
    2004, p. 48. Gubbins, David; et al. (May 19, 2011), "Melting of the Earth's inner core", Nature, 473 (7347): 361–63, Bibcode:2011Natur.473..361G, doi:10...
    99 KB (11,026 words) - 23:18, 25 May 2025
  • Thumbnail for Innermost inner core
    Earth is proposed to have an innermost inner core, distinct from its inner core. It is surrounded by the inner core, and is composed of solid iron in...
    3 KB (383 words) - 19:26, 29 April 2024
  • Thumbnail for Iron–hydrogen alloy
    Bazhanova et al., who found that at pressures and temperatures of the Earth's inner core only FeH, FeH 3 and an unexpected compound FeH 4 are thermodynamically...
    23 KB (3,175 words) - 14:53, 22 October 2023
  • Thumbnail for Core–mantle boundary
    S2CID 206538202. Earth's Core–Mantle Boundary Has Core-Rigidity Zone Audrey Slesinger (January 2001), "Earth's interior: Redefining the Core–Mantle Boundary"...
    9 KB (943 words) - 10:36, 13 September 2024
  • Thumbnail for Planetary core
    the Earth's mantle Hf/W ratio places Earth's core as having segregated within 25 million years. Several factors control segregation of a metal core including...
    37 KB (4,408 words) - 09:23, 1 January 2025
  • drill to the center of the Earth and set off a series of nuclear explosions in order to restart the rotation of the Earth's core. The film was released on...
    20 KB (2,104 words) - 22:17, 12 June 2025
  • Planetary core, the center of a planet Earth's inner core Earth's outer core Stellar core, the region of a star where nuclear fusion takes place Solar core Core...
    6 KB (801 words) - 00:55, 16 June 2025
  • Thumbnail for History of Earth
    suggest that Earth's inner core—a solid center distinct from the liquid outer core—is freezing and growing out of the liquid outer core due to the gradual...
    143 KB (15,590 words) - 11:01, 11 June 2025
  • Thumbnail for Iron
    Iron (section Earth's crust)
    most common element on Earth, forming much of Earth's outer and inner core. It is the fourth most abundant element in the Earth's crust, being mainly deposited...
    149 KB (16,923 words) - 10:00, 15 June 2025
  • Thumbnail for S wave
    allows seismologists to determine some physical properties of the Earth's inner core. In 1830, the mathematician Siméon Denis Poisson presented to the...
    14 KB (1,925 words) - 23:52, 13 April 2025
  • Thumbnail for Geothermal gradient
    Geothermal gradient (category Structure of the Earth)
    but only the outer core is postulated to exist in a molten or fluid state, and the temperature at Earth's inner core/outer core boundary, around 3,500...
    28 KB (3,157 words) - 09:47, 12 May 2025
  • the Earth’s inner core and lastly the solid mantle above, rotates slower than the Earth’s inner core. Souriau predicted that the Earth’s outer core was...
    16 KB (1,518 words) - 20:15, 23 May 2025
  • Tarzan at the Earth's Core is a novel by American writer Edgar Rice Burroughs, serialized in September 1929 to March 1930, the thirteenth in his series...
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  • Thumbnail for Earth's magnetic field
    Earth's magnetic field, also known as the geomagnetic field, is the magnetic field that extends from Earth's interior out into space, where it interacts...
    79 KB (8,967 words) - 01:01, 16 June 2025
  • Thumbnail for Timeline of the far future
    Arwen (20 February 2011). "Reconciling the Hemispherical Structure of Earth's Inner Core With its Super-Rotation". Nature Geoscience. 4 (4): 264–267. Bibcode:2011NatGe...
    179 KB (7,960 words) - 08:29, 13 June 2025
  • Thumbnail for Carbon cycle
    core. In fact, studies using diamond anvil cells to replicate the conditions in the Earth's core indicate that iron carbide (Fe7C3) matches the inner...
    102 KB (10,529 words) - 19:53, 9 June 2025
  • Thumbnail for Meteorology (Aristotle)
    treatise, Aristotle outlines two theories: The universe is spherical The Earth’s inner core is composed by the orbits of heavenly bodies The universe has two...
    22 KB (3,165 words) - 20:03, 4 May 2025
  • August 8, 2012. Density of the Earth, wolframalpha.com, archived from the original on October 17, 2013 Density of Earth's core, wolframalpha.com, archived...
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  • Thumbnail for Seismic velocity structure
    enabled more accurate modeling of the Earth's internal velocity structure. Recent progress focuses on the inner core's velocity features and applying methods...
    83 KB (7,566 words) - 00:59, 16 June 2025
  • Thumbnail for Cavendish experiment
    pp. 153–154. ISBN 978-0-19-518169-2. see e.g. Hrvoje Tkalčić, The Earth's Inner Core, Cambridge University Press (2017), p. 2. Cornu, A.; Baille, J. B...
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  • Thumbnail for Orders of magnitude (temperature)
    https://www.climate.gov/news-features/climate-qa/whats-hottest-earths-ever-been What's the hottest Earth's ever been? Rintamäki, Hannu (2007). "Human responses...
    45 KB (1,330 words) - 06:27, 3 June 2025
  • Thumbnail for Lamont–Doherty Earth Observatory
    (1996). "Seismological evidence for differential rotation of the Earth's inner core". Nature. 382 (6588): 221–224. doi:10.1038/382221a0. Zhang, Jian;...
    15 KB (1,500 words) - 22:03, 22 May 2025
  • Thumbnail for Geophysics
    Geophysics (redirect from Earth physics)
    the motion of this highly conductive fluid generates the Earth's field. Earth's inner core, however, is solid because of the enormous pressure. Reconstruction...
    49 KB (5,248 words) - 18:19, 1 June 2025